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Title: Ensemble incremental learning Random Vector Functional Link network for short-term electric load forecasting
Authors: Qiu, Xueheng
Suganthan, Ponnuthurai Nagaratnam
Amaratunga, Gehan A. J.
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Qiu, X., Suganthan, P. N., & Amaratunga, G. A. J. (2018). Ensemble incremental learning Random Vector Functional Link network for short-term electric load forecasting. Knowledge-Based Systems, 145, 182-196. doi:10.1016/j.knosys.2018.01.015
Journal: Knowledge-Based Systems
Abstract: Short-term electric load forecasting plays an important role in the management of modern power systems. Improving the accuracy and efficiency of electric load forecasting can help power utilities design reasonable operational planning which will lead to the improvement of economic and social benefits of the systems. A hybrid incremental learning approach composed of Discrete Wavelet Transform (DWT), Empirical Mode Decomposition (EMD) and Random Vector Functional Link network (RVFL) is presented in this work. RVFL network is a universal approximator with good efficiency because of the randomly generated weights between input and hidden layers and the close form solution for parameter computation. By introducing incremental learning, along with ensemble approach via DWT and EMD into RVFL network, the forecasting performance can be significantly improved with respect to both efficiency and accuracy. The electric load datasets from Australian Energy Market Operator (AEMO) were used to evaluate the effectiveness of the proposed incremental DWT-EMD based RVFL network. Moreover, the attractiveness of the proposed method can be demonstrated by the comparison with eight benchmark forecasting methods.
ISSN: 0950-7051
DOI: 10.1016/j.knosys.2018.01.015
Rights: © 2018 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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